Pyramex RVZ2610X5 Lumen X Lightweight Class 2 Safety Vest, 5X-Large, Hi-Vis Lime Meets American National Standard for High Visibility Safety Apparel: ANSI /ISEA 107 - 2010 / Class 2 Level 7 Hi Vis lightweight mesh material in front and back to keep you cool ANSI Compliant 2 inch silver reflective strips around bottom and over shoulders Zipper front closure Chest pocket with hook and loop closure; Deep and wide inside pocket